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Chip:
Imported brand pressure sensitive chip wafer;
Selected chip technology and fully sealed package;

Core:
Diffused silicon core, high sensitivity, large output, zero point, full range compensation, temperature compensation, suitable for small range pressure transmitter;
Strain gauge core, high-strength elastic deformation pressure sensing material, equipped with temperature compensation, has the advantages of impact resistance and fatigue resistance, suitable for general range pressure transmitter;
Ceramic core, outstanding anti-corrosion performance, with zero point, full range compensation, temperature compensation; suitable for measuring medium with strong corrosive working conditions, range less than 5MPa;

Structure:
Small overall structure, diversified process connection modes (thread M20, M16, M12, G1 / 4, G1 / 2, 1 / 2NPT, 1 / 4NPT, flange connection, quick joint, welding, etc.)
The electrical connection interface is fully sealed with IP68 waterproof lead;
Process connection material: 304 or 316;
Shell material: 304 or 316;
Standard four core shielded cable for pressure measurement / standard four core gas conducting shielded cable for water level measurement;

Signal processing:
24 bit ADC sampling processing chip;
DSP digital signal conditioning algorithm;
Multipoint line temperature calibration;
Voltage and current overload protection;
Standard industrial signal output: 4-20mA (two-wire system), 0-20mA (three wire system), 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);

1、 Technical parameters

Measurement medium: liquid and gas (compatible with product process connection materials)

Pressure form gauge pressure, absolute pressure

Range: 0-0.6-60mpa

-0.1～0～0.6～5MPa

-100KPa～10KPa～40MPa

±10KPa～±100KPa

Comprehensive accuracy ± 0.25% FS; ± 0.5% FS; ± 1% FS

Nonlinear ≤ 0.25% FS

Repeatability ≤ 0.1% FS

Output signal: 4-20mA (two-wire system); 0-20mA (three wire system)

0-5vdc; 0-10vdc (three wire system)

0.5-4.5vdc (three wire system) / 5VDC power supply available

The power supply voltage is 24VDC (9-30vdc) / 5VDC can be used when the output is 0.5-4.5vdc

Insulation impedance ≥ 1000m Ω / 100VDC

Load impedance current output: ≤ 800 Ω; voltage output: ≥ 50K Ω

Medium temperature - 20-80 ℃

Ambient temperature - 20 ～ 70 ℃

Compensation temperature 0-70 ℃

Response time ≤ 5ms

Overload pressure 150% FS

5 times of range (range less than 5MPa); 3 times of range (range greater than 5MPa)

Electrical connection: IP68 fully sealed connection, directly leading out the wire

Protection level IP68

Connecting cable: four core shielded cable, standard length: 3M

Connection material 304 / 316L

Process connection m20x1.5, G1 / 2, G1 / 4, ZG1 / 4, 1 / 4NPT, ZG1 / 2, G3 / 8, m12x1.5

5、Installation method

In order to achieve the best effect of product accuracy, life, stability and other functions, the range selection of the product is calculated by referring to the following formula:
Range = x (1.2-1.5) times of the maximum system pressure;
The actual measuring pressure range of the product should be 15% - 80% of the range;

The signal output specification depends on the requirements of the back-end acquisition equipment;
Common are: control and display instrument, PLC acquisition and input module, MCU acquisition card, PC serial port, etc
If the back-end acquisition equipment is determined according to the output specification of the product, it is recommended to use the general two-wire system 4-20mA;

Medium specification, medium temperature, medium purity (whether containing impurities or particles, etc.);

Indoor or outdoor installation;
Ambient temperature;
Required sealing level;
Vibration range of equipment;
Installation method: thread, flange, special structure;
Whether the installation space meets the overall dimension of the product;